Quote:
Originally Posted by ChevyTech
If it has a bad injector you only have to take out the bad one, but you need to look at the aluminum casting very closely.
When you install injectors without lube on the o-rings it can crack the TBI housing.
Injectors are $4 each at the local U=Pull-It where I live.
If the problem comes and goes it is more likely an injector, then a crack, but look to see if you can see a crack before spending money on an injector.
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Thanks for both tips, could save me a good chunk of change! I will check the housing first and go from there. The first time you explained why the o-rings need to be lubricated, I had already rebuilt the TBI (before I started this thread). That won't happen again! :-(
Will report back when I identify what broke...